> ## Documentation Index
> Fetch the complete documentation index at: https://docs.morf.health/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Identify

> Documentation for the v1 Identify action for Segment

![images/segment.svg](https://mintcdn.com/morfhealth/EU2WCxuXGIUQcziR/images/segment.svg?fit=max\&auto=format\&n=EU2WCxuXGIUQcziR\&q=85\&s=6b5f04ef78c2f74b08a32abb81b1ddbe)

# Parameters

**Action** `Parameters`

**parameters**

**User ID** `string` *required*

`ID`
This field maps to the destination API `userId` field.

**Traits** `Map\<string,dynamic (any)\>`

`HI` `ID` `PII`
This field maps to the destination API `traits` field.

> [!NOTE]
>
> This action does not return any data.


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